CN103017526B - Combustion vertical furnace for fire resistance test of building component - Google Patents
Combustion vertical furnace for fire resistance test of building component Download PDFInfo
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- CN103017526B CN103017526B CN201210514123.8A CN201210514123A CN103017526B CN 103017526 B CN103017526 B CN 103017526B CN 201210514123 A CN201210514123 A CN 201210514123A CN 103017526 B CN103017526 B CN 103017526B
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Abstract
The invention relates to a combustion vertical furnace for a fire resistance test of a building component. The combustion vertical furnace comprises a furnace body and a sample bracket. The combustion vertical furnace is characterized in that the furnace body is in a box shape, the foundation part of the furnace body adopts a C20 reinforced concrete ground floor with a thickness of 200mm, the surface of the ground floor around a test furnace is plastered with cement mortar with a proportion of 1:2, and an embedding piece adopts steel material. The combustion vertical furnace for the fire resistance test of the building component has the advantages that the sealing performance is improved; the outward leakage of fume is avoided; the states of a sample to be tested can be observed through an observing window in a real-time way; the measuring accuracy is ensured; and combustion data is favorably collected.
Description
Technical field
The present invention relates to the checkout equipment of building element fire resistance test, specifically just relate to a kind of combustion furnace for building element fire resistance test.
Background technology
The security performance of building element is the important indicator of the security against fire of building, the fire resistance of building element is related to the safety of building, therefore, all need the test carrying out fire safety performance indications before building element comes into operation, National Standard of the People's Republic of China's " building element fire resistance test method " GB/T 9978.1 ~ 9-2008 define the experimental rig of building element fire resistance test, experimental condition, test specimen require, test procedure, fire endurance decision condition and test report content.Described standard is applicable to load-bearing and the nonload bearing elements such as wall, beam, post, floor, furred ceiling and roof, and other component, accessory or structure adopt by reference.
A kind of checkout gear " fire test furnace " wherein need to meet in national standard and requires and be convenient to test specimen installation and experimental observation below:
Furnace pressure is measured and is adopted pressure sensor, sensor energy Measurement accuracy hydrostatic head, and furnace pressure is regulated by the operating frequency size controlling air-introduced machine.Test piece deformation measuring instrument adopts mechanical system to measure.Loading equipemtn adopts hydraulic way, mechanical system or loading block mode.
By fiery face: wall---one side is by fire; Beam---both sides and bottom three-face fire; All of post---vertical direction by fire; Floor, furred ceiling and roof---below by fire.
It is measure-alike that test specimen and reality use.If component is greater than the size that trial furnace can hold, then this test specimen size of expose portion in stove is not less than following regulation: a) wall: high 3 meters, wide 3 meters; B) beam: effective span 4 meters; C) post: high 3 meters; D) floor, furred ceiling and roof: long 4 meters, wide 3 meters.
Experimental phenomena is observed: the phenomenon such as observe the distortion of test specimen in process of the test, cracking, fusing or soften, peel off or burn.If there is a large amount of smog to emerge from the fiery face of the back of the body, carry out record.
At present, combustion furnace market meeting the building element fire resistance test of above testing standard is all that each manufacturer manufactures separately, mainly there is not following drawback by force in versatility: first specimen holder and furnace sealing poor, sample segment frame, furnace binding create moderate finite deformation after the high-temperature flue gas effect being subject to for a long time overflowing in stove, reduce further sealing, have impact on the heat-insulating property of body of heater; Next is that observation window design is unreasonable, cannot observe the phenomenon knowing that sample is subject to fiery face and occurs in process of the test; 3rd is that long flame type burner flame length is longer, to affect in stove thermocouple to the normal acquisition of temperature.
Summary of the invention
Technical barrier to be solved by this invention is for the existing combustion vertical furnace poor sealing performance for building element fire resistance test, effectively cannot observe the real-time status of building element to be measured in experimentation, and be difficult to the technical disadvantages of the temperature effectively collected in body of heater, combustion vertical furnace favorable sealing property for building element fire resistance test provided by the invention, be easy to observe the real-time status of testing sample in combustion furnace, and effectively can gather the temperature data of combustion furnace.
Technical scheme
In order to realize above-mentioned technical purpose, the present invention designs a kind of combustion vertical furnace for building element fire resistance test, it comprises body of heater and specimen holder, it is characterized in that: described body of heater is box-like, body of heater foundation adopts the C20 armored concrete terrace of thickness 200mm, trial furnace peripheral region terrace surface smears 1:2 cement mortar, and built-in fitting adopts steel;
Bottom of furnace body adopts fire clay brick masonry, and body of heater steel frame is erected in fire clay brick layer, and material adopts the Q235 steel plate of thickness 5mm;
Size of burner hearth is 3000mm × 3000mm × 1000mm, inner employing thickness 400mm, density 213kg/m
3, operating temperature is 1200 DEG C, and the ceramic fiber module that peak-peak temperature is 1250 DEG C is as furnace lining, and fire door pastes 40mm thickness fibrofelt;
Be provided with workbench around body of heater, workbench is arranged on apart from 1.8m position, ground, and width is 0.6m, and rail height is 1000mm, and workbench uses the checkered steel plate that thickness is 4mm to lay;
Arrange range hood above fire door, be provided with cooling water recirculation system in fire door surrounding, the underground flue of the useful fire clay brick masonry of stove inner bottom part, flue portion adopts insulation material parcel on the ground, arranges heat-exchanger rig in ground upper flue and underground flue;
Sample rack moving dolly is placed in stokehold, and sample mounting frame is arranged on sample rack moving dolly, and sample rack moving dolly bottom design has underground guide rail, and travelling car docks with body of heater;
Body of heater side is evenly arranged 8 burners, burner is arranged in special nozzle brick;
Furnace binding back is furnished with 4 observation windows, and quartz glass is installed in observation window outside, can observe the test specimen of whole 3mx3m by flame range territory;
Furnace binding back is furnished with 9 thermocouple mounting holes, and gap place asbestos cord is filled.
Described built-in fitting adopts Q235B-F steel.
Sample mounting frame uses the shaped steel of width 250mm to make, and sample mounting frame top arranges hanger, and both sides are designed with fixture and sample rack moving dolly is fixed.
Beneficial effect
The present invention strengthens for the combustion vertical furnace sealing property of building element fire resistance test, avoids flue gas to leak, and by the state of observation window Real Time Observation testing sample, can ensure that and be conducive to the collection to burning data by the accuracy that combustion furnace is measured.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of body of heater in the present invention.
Accompanying drawing 2 be in Fig. 1 A to sectional view.
Accompanying drawing 3 be in Fig. 1 B to sectional view.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention will be further described.
Embodiment
As shown in accompanying drawing 1,2 and 3, a kind of combustion vertical furnace for building element fire resistance test, it comprises body of heater and specimen holder, described body of heater is box-like, body of heater foundation adopts the C20 armored concrete terrace of thickness 200mm, trial furnace peripheral region terrace surface smears 1:2 cement mortar, and built-in fitting adopts steel;
Bottom of furnace body adopts fire clay brick masonry, and body of heater steel frame 1 is erected in fire clay brick layer 2, and material adopts the Q235 steel plate of thickness 5mm;
Size of burner hearth is 3000mm × 3000mm × 1000mm, inner employing thickness 400mm, density 213kg/m
3, operating temperature is 1200 DEG C, and the ceramic fiber module that peak-peak temperature is 1250 DEG C is as furnace lining 3, and fire door pastes 40mm thickness fibrofelt;
Be provided with workbench around body of heater, workbench is arranged on apart from 1.8m position, ground, and width is 0.6m, and rail height is 1000mm, and workbench uses the checkered steel plate that thickness is 4mm to lay;
Arrange range hood above fire door, be provided with cooling water recirculation system in fire door surrounding, the underground flue of the useful fire clay brick masonry of stove inner bottom part, flue portion adopts insulation material parcel on the ground, arranges heat-exchanger rig in ground upper flue and underground flue;
Sample rack moving dolly is placed in stokehold, and sample mounting frame is arranged on sample rack moving dolly, and sample rack moving dolly bottom design has underground guide rail, and travelling car docks with body of heater;
Body of heater side is evenly arranged 8 burners 4, burner is arranged in special nozzle brick;
Furnace binding back is furnished with 4 observation windows, and quartz glass is installed in observation window outside, can observe the test specimen of whole 3mx3m by flame range territory;
Furnace binding back is furnished with 9 thermocouple mounting holes, and gap place asbestos cord is filled.
Described built-in fitting adopts Q235B-F steel.
Sample mounting frame uses the shaped steel of width 250mm to make, and sample mounting frame top arranges hanger, and both sides are provided with fixture and sample rack moving dolly is fixed.
This combustion vertical furnace has been stopped high-temperature flue gas and furnace binding has been produced to the possibility destroyed, and improves the durability of equipment itself greatly; The heating curve requirement of the national and foreign standards such as GB, Europe superscript, American Standard, iso standard that temperature control system is compatible, can meet the simulation of the different fire working such as common fire, hydrocarbon fire simultaneously; Combustion system achieves automatic ignition, flame monitoring, the display of burner running status and fault alarm output function, its security reaches European Union's relevant criterion and the provisions of laws and regulations such as " European Union's machinery industry standard " (89/393/EWG), " industrial thermal equipment standard " (DIN-EN 746), " low-voltage electrical standard " (73/23/EWG), flue gas is avoided to leak, can by the state of observation window Real Time Observation testing sample, ensure that and be conducive to the collection to burning data by the accuracy that combustion furnace is measured.
Claims (3)
1. the combustion vertical furnace for building element fire resistance test, it comprises body of heater and specimen holder, it is characterized in that: described body of heater is box-like, body of heater foundation adopts the C20 armored concrete terrace of thickness 200mm, trial furnace peripheral region terrace surface smears 1:2 cement mortar, and built-in fitting adopts steel;
Bottom of furnace body adopts fire clay brick masonry, and body of heater steel frame (1) is erected in fire clay brick layer (2), and material adopts the Q235 steel plate of thickness 5mm;
Size of burner hearth is 3000mm × 3000mm × 1000mm, inner employing thickness 400mm, density 213kg/m
3, operating temperature is 1200 DEG C, and the ceramic fiber module that peak-peak temperature is 1250 DEG C is as furnace lining (3), and fire door pastes 40mm thickness fibrofelt;
Be provided with workbench around body of heater, workbench is arranged on apart from 1.8m position, ground, and width is 0.6m, and rail height is 1000mm, and workbench uses the checkered steel plate that thickness is 4mm to lay;
Arrange range hood above fire door, be provided with cooling water recirculation system in fire door surrounding, the underground flue of the useful fire clay brick masonry of stove inner bottom part, flue portion adopts insulation material parcel on the ground, arranges heat-exchanger rig in ground upper flue and underground flue;
Sample rack moving dolly is placed in stokehold, and sample mounting frame is arranged on sample rack moving dolly, and sample rack moving dolly bottom design has underground guide rail, and travelling car docks with body of heater;
Body of heater side is evenly arranged 8 burners (4), burner is arranged in special nozzle brick;
Furnace binding back is furnished with 4 observation windows, and quartz glass is installed in observation window outside, can observe the test specimen of whole 3mx3m by flame range territory;
Furnace binding back is furnished with 9 thermocouple mounting holes, and gap place asbestos cord is filled.
2. a kind of combustion vertical furnace for building element fire resistance test as claimed in claim 1, is characterized in that: described built-in fitting adopts Q235B-F steel.
3. a kind of combustion vertical furnace for building element fire resistance test as claimed in claim 1, it is characterized in that: sample mounting frame uses the shaped steel of width 250mm to make, sample mounting frame top arranges hanger, and both sides are provided with fixture and sample rack moving dolly is fixed.
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| CN201210514123.8A CN103017526B (en) | 2012-12-04 | 2012-12-04 | Combustion vertical furnace for fire resistance test of building component |
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| CN103017526B true CN103017526B (en) | 2015-05-13 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105135885B (en) * | 2015-07-21 | 2018-01-23 | 广东摩德娜科技股份有限公司 | A kind of multi-functional combustion trial furnace |
| CN105841492B (en) * | 2016-03-28 | 2017-10-31 | 同济大学 | A kind of assembled resistance furnace that can be with heated structure cooperative transformation |
| CN106226350A (en) * | 2016-08-30 | 2016-12-14 | 江苏金秋竹集团有限公司 | A kind of biological shielding door fire resistance test device and fire resistance test method |
| CN109238904B (en) * | 2018-09-27 | 2024-03-29 | 中国科学技术大学 | Fire-resistant experimental apparatus of structure |
| CN110441347A (en) * | 2019-09-10 | 2019-11-12 | 应急管理部天津消防研究所 | A kind of load bearing vertical partition member fire resistance experimental rig |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1896714A (en) * | 2006-03-31 | 2007-01-17 | 华南理工大学 | Assembled refractory experimental furnace of building construction member |
| CN201764822U (en) * | 2010-05-13 | 2011-03-16 | 辽宁同辉科技发展有限公司 | Fire-resistance duration test furnace for tunnel fire-resistance protective material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH08320283A (en) * | 1995-05-25 | 1996-12-03 | Nippon Steel Corp | High temperature bending test furnace |
| CN201867058U (en) * | 2010-11-01 | 2011-06-15 | 中冶京诚工程技术有限公司 | Test furnace of radiation pipe combustion device |
| CN203148215U (en) * | 2012-12-04 | 2013-08-21 | 上海建科检验有限公司 | Combustion vertical furnace used for building component fire resistance test |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1896714A (en) * | 2006-03-31 | 2007-01-17 | 华南理工大学 | Assembled refractory experimental furnace of building construction member |
| CN201764822U (en) * | 2010-05-13 | 2011-03-16 | 辽宁同辉科技发展有限公司 | Fire-resistance duration test furnace for tunnel fire-resistance protective material |
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Inventor after: Shen Lihua Inventor after: Tang Yang Inventor after: Feng Jinghui Inventor after: Lu Jingzhou Inventor after: Ruan Zhen Inventor after: He Yiming Inventor after: Zhang Zhiqi Inventor after: Zhuang Hongbin Inventor after: Yao Yumei Inventor after: Cheng Yuhua Inventor before: Shen Lihua Inventor before: Feng Jinghui Inventor before: Ruan Zhen Inventor before: He Yiming Inventor before: Zhang Zhiqi Inventor before: Zhuang Hongbin |
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Free format text: CORRECT: INVENTOR; FROM: SHEN LIHUA FENG JINGHUI RUAN ZHEN HE YIMING ZHANG ZHIQI ZHUANG HONGBIN TO:SHEN LIHUA FENG JINGHUI LU JINGZHOU RUAN ZHEN HE YIMING ZHANG ZHIQI ZHUANG HONGBIN YAO YUMEI CHENG YUHUA TANG YANG |
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